The temperature on Monday is -4°C on Tuesday it is 13° colder. What is the temperature on Tuesday

The temperature on Tuesday is -4°C - 13°C = -17°C.

To find the temperature on Tuesday, we need to subtract 13°C from the temperature on Monday.

Temperature on Monday: -4°C
Change on Tuesday: -13°C

To find the temperature on Tuesday, we perform the following calculation:

Temperature on Tuesday = Temperature on Monday - Change on Tuesday
Temperature on Tuesday = -4°C - (-13°C)
Temperature on Tuesday = -4°C + 13°C
Temperature on Tuesday = 9°C

Therefore, the temperature on Tuesday is 9°C.